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Total Ear Canal Ablation and Lateral Bulla Osteotomy for Chronic Otitis Externa and Media in Dogs: Postoperative Recovery and Long-Term Follow-up  

Kim, Joon-Young (Department of Veterinary Surgery, College of Veterinary Medicine, KonKuk University)
Jeong, Soon-Wuk (Department of Veterinary Surgery, College of Veterinary Medicine, KonKuk University)
Jeong, Man-Bok (Department of Veterinary Surgery, College of Veterinary Medicine, KonKuk University)
Han, Hyun-Jung (Department of Veterinary Surgery, College of Veterinary Medicine, KonKuk University)
Kim, Je-Sun (Department of Veterinary Surgery, College of Veterinary Medicine, KonKuk University)
Publication Information
Journal of Veterinary Clinics / v.20, no.1, 2003 , pp. 26-32 More about this Journal
Abstract
The clinical results of 10 consecutive total ear canal ablation combined with lateral bulla osteotomy (TECA-LBO) in six dogs with chronic otitis externa and media were evaluated by the postoperative recovery and long-term follow-up. All dogs were selected for TECA-LBO on the basis of following five clinical symptoms. First, medical treatment couldnt improve clinical signs at least for eve. 2 months. Second, tympanic membrane was completely disappeared. Third, radiopacity was increased in tympanic cavity. Forth, petrous temporal bone was sclerosed. Fifth, ear canal calcification was progressed. And all cases were satisfied all five clinical symptoms. At 14. days after operation, the preoperative symptoms of chronic otitis externa and media which were scratching ear, pain, and hardening ear canal were resolved, and postoperative swelling, erythema, head tilt, and exudate from Penrose drainage were not existed In all cases. Loss of eye blink was happened in 4 cases, but these were disappeared between 14 days a(ter operation except one case on 3 months. All dogs were discharged form hospital at 14 days after operation. Between 3.5 and 6.5 months after discharging from hospital, para-aural abscessation was happened only in all Cocker spaniels. But this complication was solved by ventral bulla osteotomy (VBO). The dogs which didn't show para-aural abscessation after TECA-LBO didn't show scratching, pain, hardening of ear and hearing ability was improved, at 7.5 months after TECA-LBO. And the dogs which showed para-aural abscessation after TECA-LBO also didn't show scratching, pain, hardening of ear and hearing ability was also improved, at 7.5 months after VBO. In conclusion, After TECA-LBO, all dogs were recovered well without complication within 2 weeks except Cocker spaniel. And loss of eye blink can be cured naturally within 2 weeks after surgery. And para-aural abscessation can be happened between 4 and 7 months after TECA-LBO, so surgeon must follow-up until 8 months.
Keywords
total ear canal ablation and lateral bulla osteotomy (TECA-LBO); otitis media; dog;
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